(19)
(11) EP 1 469 657 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.07.2010 Bulletin 2010/29

(43) Date of publication A2:
20.10.2004 Bulletin 2004/43

(21) Application number: 04008750.4

(22) Date of filing: 13.04.2004
(51) International Patent Classification (IPC): 
H04M 1/253(2006.01)
 H04M 1/60(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 16.04.2003 JP 2003111715

(71) Applicant: NEC Infrontia Corporation
Kawasaki-shi, Kanagawa (JP)

(72) Inventors:
  • Kitami, Hideo
    Kawasaki-shi, Kanagawa (JP)
  • Kobayashi, Yoshikazu
    Kawasaki-shi, Kanagawa (JP)

(74) Representative: Vossius & Partner 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) Handsfree telephone call system


(57) This invention enables freely changing over a handsfree call and a handset call using an information terminal. A call system of this invention includes: a handsfree call microphone and a handsfree call loudspeaker; a first sound device that inputs and outputs a sound to the handsfree call microphone and the handsfree call loudspeaker, and that is included in an information terminal; a handset call microphone and a handset call loudspeaker; a second sound device that inputs and outputs the sound to the handset call microphone and the handset call loudspeaker; a handset connected to the information terminal; and a selection unit for selecting, as each of connection destinations on a transmitting end and a receiving end of a telephone line, at least one of the first sound device and the second device in accordance with a call state and an event, so as to set at least one of the handsfree call microphone and the handset call microphone as an input destination of the sound, and to set at least one of the handsfree call loudspeaker and the handset call loudspeaker as an output destination of the sound.







Search report